Scope of application：
specializes in spheroidizing annealing of wire material which are low and middle carbon steel，allow steel and bearing steel.
Features of super convection spheroidizing annealing furnace :
1. Gas heating, high temperature control accuracy, automation of heat treatment process;
2. Install a strong convection fan at the bottom of the pit type annealing furnace, achieve stable circulating heat transfer during the whole process of heat treatment, uniform furnace temperature, design temperature control accuracy ± 5 ° C, actually reach ± 3 ° C;
3. The loading capacity is moderate, the medium-sized furnace charge is generally about 8~16t, which is suitable for the characteristics of special steel wire varieties and small batch size (≤10t/batch), and the production organization is convenient;
5. The pit type annealing furnace well structure can be buried underground and can adapt to the basic conditions of the old factory crane with low elevation;
6. The structure of the pit type annealing furnace is reasonable. To achieve the same production capacity, the equipment investment is only about 50% of the strong convection gas protective cover annealing furnace;
7. The pit type annealing furnace is easy to operate. It can be operated by opening the valve of the pneumatic cylinder when loading and discharging. It can be operated without the need of a large tonnage crane, which is safe and reliable.
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